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Finding the Fourth Proportional to 32,953.77, 49,509.51 and 21,130.71

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Solution

The fourth proportional to 32,953.77, 49,509.51 and 21,130.71 is: 31,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,953.77 : 49,509.51 = 21,130.71 : x
  2. Step 2: Convert to fraction form
    32,953.77/49,509.51 = 21,130.71/x
  3. Step 3: Cross multiply
    32,953.77x = 49,509.51 × 21,130.71
  4. Step 4: Simplify right side
    32,953.77x = 1,046,170,797.68
  5. Step 5: Solve for x
    x = 1,046,170,797.68/32,953.77
  6. Step 6: Final answer
    x = 31,746.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.